Heat gun



FIG. 1 is a first perspective view of a heat gun;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 5 thereof, in which the internal mechanism is omitted; and,

FIG. 10 is an enlarged view of part 9 thereof.

The broken lines depict portions of the heat gun in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for a heat gun, as shown and described. 